Kenwood NXR-800H Service Manual page 115

Uhf digital base-repeater
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Adjustment Points / 调整点
CN19
RX ANT
L132
L133
CN5
RX ANT
CN6
1
2
L28,30: Receive VCO Lock Voltage (Adjustment) / 接收VCO锁定电压(调整)
L132~135: BPF
CN403
OUT
VR402
VR401
CN407
OCXO
CN402
REF_LV
CN408
IN
1
2
CN807
L108,128: Transmit VCO Lock Voltage (Adjustment) / 发射VCO锁定电压(调整)
VR401,402: Reference Signal / 基准信号l
ADJUSTMENT /
1
2
CN8
CN2
PA CURR
REF
ANT SW
VR1
VR1: Coupler ADJ / 耦合器ADJ
VR2: High Transmit Power (Pre ADJ) / 高发射功率(预ADJ)
CN40
L134
L135
VE
CN36
1
RX UNIT / RX单元 (X55-3102-XX)
2
Component side / 元件面
L28
L30
TX UNIT / TX单元 (X56-312X-XX)
Component side / 元件面
CN809
CN401
REF_LDT
REF_CV
OCXO UNIT
CN405
CN406
REF2
REF1
CN808
REF_IN
调整
PWR CONT
PRT
VR2
PWR PRT
FWD
FINAL UNIT / 末级单元 (X45-3862-XX)
Component side / 元件面
CN46
1 2
L47
CN41
L52
L46
L128
CN66
RXA
CN65
ASQ
CN64
CV2
CN63
CV1
CN45
REF1
L46,52,74,90: MCF WIDE
L47,53,75,91: MCF NARROW
L128: Discriminator / 鉴频器
CN302
CN301
MB
MOD
CN303
MB_CV1
NXR-800H
CN1
TX IN
L91
L53
L75
L90
L74
1
CN47
2
CN43
CN203
CN802
VS1
TX OUT
CN201
CN811
VS2
CN202
TRG
D_PC
CN810
CN701
LDT
MO
L108
L128
CN101
CV
115

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